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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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26
Task/Detect-division-by-zero/ALGOL-68/detect-division-by-zero.alg Normal file
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PROC raise exception= ([]STRING args)VOID: (
put(stand error, ("Exception: ",args, newline));
stop
);
PROC raise zero division error := VOID:
raise exception("integer division or modulo by zero");
PROC int div = (INT a,b)REAL: a/b;
PROC int over = (INT a,b)INT: a%b;
PROC int mod = (INT a,b)INT: a%*b;
BEGIN
OP / = (INT a,b)REAL: ( b = 0 | raise zero division error; SKIP | int div (a,b) );
OP % = (INT a,b)INT: ( b = 0 | raise zero division error; SKIP | int over(a,b) );
OP %* = (INT a,b)INT: ( b = 0 | raise zero division error; SKIP | int mod (a,b) );
PROC a different handler = VOID: (
put(stand error,("caught division by zero",new line));
stop
);
INT x:=1, y:=0;
raise zero division error := a different handler;
print(x/y)
END